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Consolidated Statements Of Income (USD $)
3 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Net sales $ 20,494,621 $ 11,707,405
Cost of goods sold 15,270,994 7,708,021
Gross profit 5,223,627 3,999,384
Selling and marketing expenses 2,310,052 2,087,172
Research and development expenses 182,281 164,328
General and administrative expenses 1,025,275 682,979
Operating expenses 3,517,608 2,934,479
Operating income 1,706,019 1,064,905
Non-operating income (expense):    
Investment income and other 2,401 4,631
Interest expense (4,294)  
Foreign exchange loss (12,158)  
Net non-operating (expense) income (14,051) 4,631
Income before income taxes 1,691,968 1,069,536
Provision for income taxes 567,000 353,000
Net income $ 1,124,968 $ 716,536
Net income per share of common stock - Note 8    
Basic $ 0.40 $ 0.26
Diluted $ 0.39 $ 0.25
Dividends per common share $ 0.11 $ 0.10
Weighted average shares outstanding:    
Basic 2,820,333 2,757,178
Diluted 2,870,959 2,830,878